diff --git a/pkgs/development/python-modules/snowflake-connector-python/default.nix b/pkgs/development/python-modules/snowflake-connector-python/default.nix
index fab1ff4e2ef9..0b0c961e7d09 100644
--- a/pkgs/development/python-modules/snowflake-connector-python/default.nix
+++ b/pkgs/development/python-modules/snowflake-connector-python/default.nix
@@ -10,7 +10,6 @@
 , future
 , idna
 , ijson
-, isPy3k
 , oscrypto
 , pyarrow
 , pyasn1-modules
@@ -54,14 +53,6 @@ buildPythonPackage rec {
     urllib3
   ];
 
-  postPatch = ''
-    # https://github.com/snowflakedb/snowflake-connector-python/issues/705
-    substituteInPlace setup.py \
-      --replace "idna>=2.5,<3" "idna" \
-      --replace "certifi<2021.0.0" "certifi" \
-      --replace "chardet>=3.0.2,<4" "chardet"
-  '';
-
   # Tests require encrypted secrets, see
   # https://github.com/snowflakedb/snowflake-connector-python/tree/master/.github/workflows/parameters
   doCheck = false;
@@ -75,5 +66,6 @@ buildPythonPackage rec {
     description = "Snowflake Connector for Python";
     homepage = "https://www.snowflake.com/";
     license = licenses.asl20;
+    maintainers = with maintainers; [ ];
   };
 }